Consider we have a list of values and a searchable value, which we have to find in the list, there are many methods which can be used to find an element's index in a list in python. In this tutorial, we will introduce to you on how to use this function in python. Python list is an essential container as it stores elements of all the datatypes as a collection. Python: Retrieve the Index Value of the Max Value in a List The index() method searches an element in the list and returns its position/index. Otherwise, it returns False. Before using the index() function, you can use the in operator to check if the element that you want to find is in the list. First, this tutorial will introduce you to lists, and then you will see some simple examples to work with the index() function. The index() method available to List (as well as other sequence type such as string and tuple) is useful to find first occurrence of a particular element in it. The function returns the first position of the element in the list that it could find, regardless of how many equal elements … Find an element in the list by index in Python. In Python, the list is a data structure that contains the ordered elements or sequence of elements. index() is an inbuilt function in Python, which searches for a given element from the start of the list and returns the lowest index where the element appears. In this article, we will discuss on Python list index. Python: Find duplicates in a list with frequency count & index positions; Python: Check if a list is empty or not - ( Updated 2020 ) Python : How to convert a list to dictionary ? The in operator returns True if a value is in the list. You can also get all the elements within range using the Python slice operator([:]). Introduction to Python List Index. A few of them are listed below, other approaches would be appreciated in the comment section. Access the item of the list … Python : Convert list of lists or nested list to flat list; Python : Check if all elements in a List are same or matches a condition To find a position of the particular element you can use index() method of List class with the element passed as an argument. note: just as list.index (without a second argument) this will only find the first occurrence. For example: To fix this issue, you need to use the in operator.. An index() function returns an integer (position) of the first match of the specified element in the List. Syntax : list_name.index(element… To find an element in the Python list, use one of the following approaches. in python it is often more natural to iterate over elements of lists instead of just the indices; if indices are needed as well, enumerate helps. The short answer is: use the index operator ([]) and pass the index value of the element as the argument. In this article, the list index is the position number given to each element in the given list. This guide walks you through a program that retrieves the index value of the maximum element in a list. In this tutorial, learn how to get list element by index in Python. Python list.index() function can allow us to locate the postion of elements in python list, which is very useful when you want to get the index of an element. Knowledge of certain list operations is necessary for day-day programming. Let’s see Examples of Find index of Elements in the list Example 1: Only one value present in List. The default value for start is 0 (searching from the beginning), and the default value for end is the number of elements in the list (searching to the end of the list). So each element in this list is known as the item. this is also more efficient. To find the index value of the largest item in a list, you can use the max() and index() methods. Python find in list. 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